Sectors in CH48
| Sector | Main place | Postcodes |
|---|---|---|
| CH48 0 | West Kirby | 37 |
| CH48 1 | Caldy | 70 |
| CH48 2 | Caldy | 54 |
| CH48 3 | West Kirby | 43 |
| CH48 4 | West Kirby | 51 |
| CH48 5 | West Kirby | 77 |
| CH48 6 | West Kirby | 47 |
| CH48 7 | West Kirby | 35 |
| CH48 8 | West Kirby | 41 |
| CH48 9 | West Kirby | 47 |
Places covered by CH48
- West Kirby Wirral · 411
- Caldy Wirral · 57
- Hoylake Wirral · 5
- Frankby Wirral · 4
- Irby Hill Wirral · 2